What is the ISO week number in Merthyr Tydfil?

TimeDials shows the current ISO week number for Merthyr Tydfil in real time. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year.

Time in Merthyr Tydfil, Wales, United Kingdom — Local Time & Date

Live

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Current local time in 🇬🇧 Merthyr Tydfil, Wales, United Kingdom.

GMT/BST UTC+00:00

Relative to You

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Relative to UTC

On UTC

Noon here = 12:00 UTC

ISO Week

11 Odd Week

Sun

06:34

17:53

Today

Mid-morning in Merthyr Tydfil. Offices are busy, meetings are underway. The current offset is on UTC.

Daylight Saving Time

Last Clock Change

2025-10-26

Clocks moved back to GMT+0

Next Clock Change

2026-03-29

Clocks will move forward to GMT+1

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Quick Facts

Country	🇬🇧United Kingdom
State / Region	Wales
Timezone	GMT/BST
UTC Offset	UTC+00:00
DST	Yes — daylight saving time observed
Population	43,820
Elevation	186 m
Sunrise	06:34
Sunset	17:53
Coordinates	51.75°N, -3.38°E

Map

Map data © OpenStreetMap contributors

Time Difference to Major Cities

City	Difference	Local Time
New York	-4h	--:--
Los Angeles	-7h	--:--
Paris	+1h	--:--
Dubai	+4h	--:--
Mumbai	+5h 30m	--:--
Singapore	+8h	--:--
Tokyo	+9h	--:--
Sydney	+11h	--:--
Sao Paulo	-3h	--:--
Cairo	+2h	--:--
Shanghai	+8h	--:--

Frequently Asked Questions

What are the business hours in Merthyr Tydfil?

Standard business hours in Merthyr Tydfil are 09:00–17:00 local time (GMT/BST). Check the live clock above to see the current local time. Use our Time Zone Planner to find the best meeting time across cities.

What is the UTC offset for Merthyr Tydfil?

Merthyr Tydfil is currently at UTC+00:00. The timezone identifier is GMT/BST. When it is noon in Merthyr Tydfil, it is 12:00 UTC. You can embed a live Merthyr Tydfil clock on your website.

What ISO week number is it in Merthyr Tydfil?

It is currently ISO week 11 (odd week) in Merthyr Tydfil. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year. Learn more about ISO week numbers.

Does Merthyr Tydfil observe daylight saving time?

Yes, Merthyr Tydfil observes daylight saving time (DST). The most recent change was on 2025-10-26, when clocks moved back to GMT+0. The next change is on 2026-03-29, when clocks will move forward to GMT+1.